[1] Stanford Univ, Dept Med, Div Pulm & Crit Care Med, Stanford, CA 94305 USA
[2] Stanford Univ, Dept Mat Sci & Engn, Stanford Neurosci Inst, Stanford, CA 94305 USA
[3] Stanford Univ, Dept Pediat, Div Hematol Oncol Stem Cell Transplantat & Canc B, Sch Med, Stanford, CA 94305 USA
[4] Stanford Univ, Asian Liver Ctr, Stanford, CA 94305 USA
[5] Stanford Univ, Dept Surg, Stanford, CA 94305 USA
[6] Stanford Univ, Stanford Biosci Grant Writing Acad, Stanford, CA 94305 USA